A subsurface soil sampler constituted of a hollow tube having a pointed closure at its lower end for soil penetration and a handle at its upper end for manipulation of the sampler. A combined footrest and penetration limiter is detachably secured at a vertically selected position on the

A hay loader employing an elongated support member carried by and extending horizontally between articulated supports positioned at the opposite ends of a wheeled cargo bed, each of the articulated supports including a primary arm having a fixed pivot at one end and having its other end

An attachment arm pivotally mounted on a combine to project forwardly from below the sickle cutter for limited vertical swinging movement to accommodate ground surface irregularities, wherein the arm is detachably pivoted to an individual sickle guard unit by structure spaced from and